use std::collections::HashSet;

pub fn new_count_distinct(input_str: &str) -> usize {
	// todo!()
	let words:Vec<&str> = input_str.split(',').collect();
	let mut count:HashSet<&str> = HashSet::new();
	for i in 0..words.len() {
		count.insert(words[i]);
	}
	return count.len();
}

